GM knows about the engineering northstar engine problem but refuses to accept responsibility for it. - Hawthorne, NY, USA. Add Complaint. problem # 8. Oct 12 2015. DeVille 8-cyl.83868 posts · Joined 2006. #2 · Aug 8, 2016 (Edited) The 2000 redesign cut way down on the head bolt thread problems. 2004 went further with coarser threads on the head bolts. It's not the head gasket per se- it's the cylinder block head bolt hole threads that fail, causing a loss of clamping pressure and subsequent head gasket failure.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Well this must be a 2006 thing with the 4.6 Northstar because on the Cadillac forums the 4.6 engine is said to be far better from 2003 on up with much improved head bolt and intake/head gasket design.

Northstar engine in 2006 Buick Lucerne Issues. First started with the Oil Pressure sensor warning light/chime coming on.I pulled over and turned off the engine for about 5.minutes.After restarting, the warning came again but accompanied by a tapping sound.I added oil and the tapping stopped.I got it to a repair shop.They found the Oil Pressure ...

However, the first Northstar engines weren’t short of problems. The most prominent issue is oil leaks around the valve caps. In 1993 Northstar engines, oil pressure disappeared entirely. This problem arises from the engine’s problematic pressure relief valve, which entraps debris. Also, the engine can overheat and cause cracks in the valve ...

Top 2005 Pontiac Bonneville Problems. Engine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure. 149 people have reported this. 44. Mode/Temperature Door Actuators May Fail. 146 people have reported this. 61. Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key. 101 people have reported this.Jake, I wanted to have a thread here in the forum, this way it doesn't just apply to people looking to stud their engine, but rather for Northstar repairs in general. Your site should be awesome when it gets up and running, much easier to navigate than the forum, but hey, gotta get the word out about good Northstar mechanics in as many places ...Here are some things about your Cadillac and what you should do to prevent Overheating and solve diagnose, repair, prevent your 1998 Cadillac Northstar GM en...Northstars with failing head gaskets due to cylinder block head bolt hole thread failure do not normally mix oil and coolant or vice versa. You need to perform a cylinder block exhaust gas test immediately after the next overheat. lisle 75500 combustion leak detector - Google Search. Do Google searches for "cadillac forums northstar purge line ...

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If you or someone, you know, have been personally victimized by a Northstar engine, please comment belowWe don't sell them, but we are here to support you

1999 STS Northstar problems. Hello, I am new to this forum and not a Cadillac owner yet. I am currently looking at a 1999 sts with the northstar v8 and i have some questions / concerns. It has 160xxx miles the power steering gets tight and loose here and there. there is a strong smell of anti freeze throughout the car but the current owner ...The Northstar V8 actually predates the LS based engine by a solid 3 years, and it was more suited for Cadillacs FWD fleet at the time. It was also doing it's best to compete with European luxury and technology. Loved my 05 Bonneville GXP. Put 300xxx miles on that baby and never needed a head gasket.Step 6. Ask your assistant to turn the engine key to "start" for no longer than three seconds. Turn off the key. Do not touch the vehicle, but visually inspect the suspect coil pack when the engine turns. The coil pack is bad if it does not spark in the new position. The ignition control module is bad -- and will need a replacement -- if the ...Information on Northstar® Engine Mechanical Repairs. Models: 1994-2002 Cadillac Eldorado. 1994-2004 Cadillac Seville. 1994-2005 Cadillac DeVille. 1996-2000 Cadillac Concours. with 4.6L Northstar® Engine (VINs Y, 9 - RPOs LD8, L37) Now that parts are available to correct customer concerns of oil consumption and cold start conditions on these ...January 26, 2023 by John. If your Northstar engine is leaking oil, there are a few things you can do to fix it. First, check the oil level and make sure it is full. If it is low, add more oil. Next, check for leaks in the hoses and gaskets. If you see any leaks, replace the hoses or gaskets. Finally, check the seals on the engine for leaks.To repair the head bolt problem requires a complete teardown, rethreading the holes & replacing the head bolts. Some repair shops refuse to replace a Northstar head gasket, the ones that will, the starting price is $2,400 up to $4,500. Many suggest “just replace the engine”. Replacing the engine is in the $6,000 to $7,000 range.general motors is recalling certain model year 2010-2011 dts and buick lucerne vehicles equipped with v8 engines. THE STARTER OR ALTERNATOR CABLE IS IN CONTACT WITH THE POWER STEERING RETURN LINE.

The six most common issues you may encounter with this model are: Clutch problems. Alignment issues. Shifting problems. Clunking and rattling from faulty U-Joints. Knocking noise when starting the engine. Engine overheating. Some of these same problems also affect the Polaris Ranger 570 and the Polaris Ranger XP 900. Table of Contents show.Northstars with failing head gaskets due to cylinder block head bolt hole thread failure do not normally mix oil and coolant or vice versa. You need to perform a cylinder block exhaust gas test immediately after the next overheat. lisle 75500 combustion leak detector - Google Search. Do Google searches for "cadillac forums northstar purge line ...Aug 31, 2023 · A prevalent issue with the Cadillac DTS Northstar engine is its oil consumption. Several factors can lead to excessive oil usage, with oil leaks being a common occurrence even in well-maintained engines. The primary culprit behind the engine’s oil consumption is the premature wear of piston rings.Any aluminum engine is going to have problems if the coolant isn't changed properly. I've never heard of a dealer telling someone to change the coolant. I've changed the lower intake manifold gasket on my wife's 1999 Pontiac with the corporate 3.4 liter V6 - twice. The dealer techs put the old coolant back in when they were done.83868 posts · Joined 2006. #2 · Aug 8, 2016 (Edited) The 2000 redesign cut way down on the head bolt thread problems. 2004 went further with coarser threads on the head bolts. It's not the head gasket per se- it's the cylinder block head bolt hole threads that fail, causing a loss of clamping pressure and subsequent head gasket failure.Worst Cadillac XLR Engine Problems #1: Oil Leak 2006 XLR Average Cost to Fix: $6,000 Average Mileage: 28,000 mi. Learn More #2: Service Engine Light Is On 2006 XLR Average Cost to Fix: N/A Average ...Nov 17, 2020 · LD8 Northstar Engine. The LD8 engine is a transverse V8 for front-wheel-drive cars first introduced in 1994 and designed to provide more torque than the L37. Used on all torque-tuned Notaris, the compression ratio is 10:1 and is quieter than previous Northstar engines due to a tuned intake system and better hydraulics. Northstar Engine …

The goal is to make data science so easy that everyone can use it to have data driven decisions in their daily lives. Admitted that grand problems would still perhaps require grand solutions but solving the daily problems should not be difficult. It is in removing this difficulty that Northstar takes a significant step.

Click the down arrow or SHOW MORE button for more information. Used tensioner: https://cadillacnorthstarparts.com/products/cadillac-northstar-water-pump-belt...electrical problems 1 NHTSA complaints: 2. suspension problems 1. windows / windshield problems 1 NHTSA complaints: 2. fuel system problems NHTSA: 8. brakes problems NHTSA: 7. engine problems ...Overheating engine. Heat or A/C problems. Visible coolant leak. Fault codes or check engine light. Overheating is usually a dead giveaway that something isn’t right with the cooling system. A Pentastar 3.6L water pump or radiator issue will restrict coolant from properly flowing throughout the engine.Aug 31, 2023 · A prevalent issue with the Cadillac DTS Northstar engine is its oil consumption. Several factors can lead to excessive oil usage, with oil leaks being a common occurrence even in well-maintained engines. The primary culprit behind the engine’s oil consumption is the premature wear of piston rings.1 post · Joined 2015. #9 · Dec 12, 2015 (Edited by Moderator) One of the metal coolant tubes on back side of engine is locked into a threaded fitting, It's kind of like fuel filter quick disconnect and it is plastic. These will leak down the back side an pool up on the transmission and burn off.Jun 11, 2010 · GM Northstar 4.6L V8 Engine. By Engine Builder. Published: Jun 11, 2010. Initially rated at 295 horsepower, the Northstar V8 has grown over the. years to an incredible 469 hp at 6,400 rpm (STS-V Supercharged. Northstar engine). In 1995, the engine was ranked as one of the “10 Best Engines in North America” by Ward’s Auto World.I have a 2007 Lucerne CSX with V8 Northstar engine purchased new in 2007. Have never had an engine problem untill now. Have always had it serviced by Buick dealer at least every 3000 t0 3500 mles. This last time it was over 4000 miles and my service engine light came on saying to stop engine. I added half quart of oil, no more service enging ...

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In the later Northstar series (your 04 DTS, OP question), which has the MAF near the airbox and a flex duct from the MAF to the throttlebody, ANY leak between the MAF and throttlebody will cause driveability and idle problems. As an example, pull the intake resonator out of the duct and don't plug the hole. Start (?) the engine.Without buying anything new, I have at my disposal the following options that would work in the Caddy: - 5 qts M1 0W-40 (which I understand is now kind of a heavy 30wt / light 40wt) - 7.5 qts of PPHM 5W-30. - 1 can of LM Oil Saver. I was thinking about running the PPHM with a can of Oil Saver in order to further quell the oil leak, and change ...We would like to show you a description here but the site won't allow us.Are you looking for a powerful and reliable off-road vehicle to take your outdoor adventures to the next level? Look no further than the Polaris Ranger Northstar. This rugged, all-...Sep 18, 2023 · Airbox lid warps and no longer fits. Hard shifting. Brake pressure sensor switch gives out. Fuel pump problems. Starting Problems. If you read a recent review of the Polaris Ranger 570, you’ll see that some recent upgrades by Polaris have helped to minimize the clutching issues that used to affect these models.The 32-valve design of the Northstar's engine head gives it a serious advantage when it comes to upper rpm breathing as compared to a more traditional 16-valve pushrod motor. In fact, the factory lifters are good for 8,500 rpm, but in order to get there safely you're going to have to swap in a set of stronger valve springs.2003 Cadillac DeVille Engine Problems. Find something helpful? Spread the word. 21.9k. Click on a problem below to read more. Oil Leaking 2. Crank Shaft Sensor Went Out 1. NHTSA: Engine 16. NHTSA ...Now I got a P0300 code random misfire. The engine idle quality is poor. I took it for a drive and on highway speeds, the engine responds well. Drove the car for about 17 miles with the goal of perhaps more codes would appear in order support a better assessment. No such luck just the same P0300 random misfire code.

Cadillac Northstar engine problems A cornerstone of older Cadillac models, the Northstar engine was hailed for its cutting-edge technology, becoming synonymous with the Cadillac brand. However, the complexity of Northstar engines meant they quickly became notorious for head gasket failures .Apr 29, 2023 · In conclusion, the Cadillac DTS Northstar Engine is a powerful and reliable engine, but it is not immune to problems. Carbon collecting in cylinders, prematurely worn piston rings causing excessive oil consumption, valve cover oil leaks, blown head gaskets, rear main seal oil leaks, oil pump failures, and water pump failures are some of the most …We would like to show you a description here but the site won't allow us. ati community health proctored exam 2019 test bank The Northstar 2002. Northstar is one of the most trusted names in the oil industry. In 2002, the Northstar engines suffered a catastrophic failure. Northstar claims that the failure was caused by a manufacturing defect, and that a recall is not necessary. feed in ponytail with swoop 10. Engine Problems. If you maintain your XP 1000 well, you should have few engine issues. When you experience an engine issue, you can try simple troubleshooting to determine what is wrong. Take a look at the igniter. After removing it from the cylinder head, replace the spark plug in the boot. Start the engine to see if the spark plug is working.Remove the air deflector. Remove the oil filter adaptor. Disconnect the crankshaft position sensor electrical connector. Remove the crankshaft sensor retaining bolt. Remove the crankshaft sensor. I got as far as removing the air dam, and when I got back underneath the car, I could see the oil filter and the oil cooler lines, among others. tomi lahren salary Pop the 8 individual lock tabs up, and pull the rail off the manifold. You may need to disconnect the fuel rail to fuel line connectors. Remove the injector electrical connectors (squeeze down the wire tab and pull off), and take the rail and injectors to some place you don't mind being doused with gas and/or on fire. Outside is good. henry rifle sling no drill The fuel pressure regulators can be tested. Take off the vacuum line going to the FRP and idle the engine for a few minutes. If you see fuel seeping from the vacuum nipple on the FPR, the diaphragm is bad and the FPR needs to be replaced. That will solve some hot restart problems. paso robles craigslist cars Overheating engine. Heat or A/C problems. Visible coolant leak. Fault codes or check engine light. Overheating is usually a dead giveaway that something isn’t right with the cooling system. A Pentastar 3.6L water pump or radiator issue will restrict coolant from properly flowing throughout the engine. allison lanier instagram The Northstar V8 has been called the best production engine on the planet, and for 1997 Cadillac has improved the Eldorado. The changes aren't obvious, because exteriors haven't changed a bit ... high speed internet option abbr Aug 5, 2007 · Northstar overheating causes. Someone who works on Northstar engines said the overheating problem on my 1994 Cadillac STS is due to one of 3 problems – a bad water pump, bad head gaskets, or a bum thermostat. I am looking for second opinions because he thought it probably was the head gaskets and that the cost would be over …ben.gators. 5855 posts · Joined 2009. #2 · Dec 9, 2009. Hi, As I know this syndrome was common in 98, 99 N*, and finally Cadillac has come up with some modifications, and they updated N*, and I guess you have the modified engine on your 2002 eldo. Like.Apr 17, 2024 · But know that every engine has its quirks, and the Northstar is no exception. Northstar V8 life expectancy often reaches between 120,000 to 150,000 miles. Best year for the Northstar engine is the 2002 model. What year Northstar engines to avoid: From 1997 to 1999 model years. Maintenance plays a pivotal role in extending this engine’s life. godzilla minus one showtimes near marcus twin creek cinema Northstar engines problems Table of Contents northstar engines problems 1. Navigating northstar engines problems eBook Formats ePub, PDF, MOBI, and More northstar engines problems Compatibility with Devices northstar engines problems Enhanced eBook Features 2. Overcoming Reading Challenges Dealing with Digital Eye Strain reeder davis funeral home hughes springs tx Jan 18, 2022 · The 32 valve V8 Northstar was not an option - it was IT in one of two performance ranges - the ~275 hp 3.11 final drive economy cruiser version and the ~300 hp 3.71 final drive performance version. The 8th character of the VIN gives the powertrain - VIN Y is the cruiser, VIN 9 is the performance. harris teeter weekly ad summerville sc Head and head gasket removal on a 2002 Cadillac Deville DHS 4.6L Northstar - without lifting the engine from the top or removing it from the bottom. I did t...I have a 2000 Cadillac Deville, 4.6L Northstar engine. I have an overheating problem. I have replaced: radiator, water pump, thermostat, water temp sending unit, flushed cooling system & followed manual for refilling cooling system. Pressure tested system & … marion chronicle tribune obituaries today Crossing more than 200,000 miles (or 13 years) should not be an issue with a typical 4.6 Ford engine. They have been popular in policeman cars forever and remain in peak condition to this day. Of course, proper and regular maintenance schedules must be in the picture. A common assumption is that durable engines tend to come with lower ...GM's 5.3L Vortec engine suffers from common problems including: oil consumption caused by AFM, cracked cylinder heads, spark plug failure, intake manifold problems, and fuel pressure regulator failure. Despite these problems, the 5.3 Vortec is an extremely reliable engine. They are getting older nowadays, having been in production from 1999 ...